1513221203355 has 128 divisors (see below), whose sum is σ = 2605403750400. Its totient is φ = 748287590400.

The previous prime is 1513221203317. The next prime is 1513221203363. The reversal of 1513221203355 is 5533021223151.

It is not a de Polignac number, because 1513221203355 - 2¹¹ = 1513221201307 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1166708067 + ... + 1166709363.

It is an arithmetic number, because the mean of its divisors is an integer number (20354716800).

Almost surely, 2^{1513221203355} is an apocalyptic number.

1513221203355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1513221203355 is a deficient number, since it is larger than the sum of its proper divisors (1092182547045).

1513221203355 is a wasteful number, since it uses less digits than its factorization.

1513221203355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965.

The product of its (nonzero) digits is 27000, while the sum is 33.

The spelling of 1513221203355 in words is "one trillion, five hundred thirteen billion, two hundred twenty-one million, two hundred three thousand, three hundred fifty-five".